Pulsatilla occidentalis
Genus Pulsatilla
This source reports 5 treatments. All are shown.
Protocol 1
DerivedN. C. Deno, 1998Difficulty Low Rated by us, not by the source.
Start around March 1, 2027 for a May 3 last frost.
- 1
Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing. Then 35 days to germinate.
100% germination in 35 days.
Protocol 2
DerivedN. C. Deno, 1998Difficulty Low Rated by us, not by the source.
Start around March 15, 2027 for a May 3 last frost.
- 1
- 2
Sow and cover
Temperature: 70°F 21°C
No stated waiting before sowing. Then 21 days to germinate.
100% germination in 21 days.
Protocol 3
DerivedN. C. Deno, 1998Difficulty Moderate Rated by us, not by the source.
Start around July 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on July 22, 2026.
- 1
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: light
- 2
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
about 6 months from start to sowing. Then 77 days to germinate.
100% germination in 77 days.
Protocol 4
DerivedN. C. Deno, 1998Difficulty Moderate Rated by us, not by the source.
Start around September 29, 2026 for a May 3 last frost.
- 1
Cold moist stratification
Duration: 90 days · Temperature: 40°F 4°C
- 2
Warm moist stratification
Duration: 90 days · Temperature: 70°F 21°C · Light: dark
about 6 months from start to sowing. Then 8 days to germinate.
50% germination in 3–8 days.
Protocol 5
DerivedN. C. Deno, 1998Difficulty High Rated by us, not by the source.
Start around February 23, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on February 22, 2026.
- 1
Dry storage
Duration: 365 days · Temperature: 70°F 21°C
- 2
Sow and cover
Temperature: 70°F 21°C · Light: dark
about 12 months from start to sowing. Then 42 days to germinate.
10% germination in 42 days.